Optimizations (from @wolfcomp)

Simulator/Actions/CarefulObservation.cs

@@ -2,22 +2,29 @@ namespace Craftimizer.Simulator.Actions;
 
 internal sealed class CarefulObservation : BaseAction
 {
-    public override ActionCategory Category => ActionCategory.Other;
-    public override int Level => 55;
-    public override uint ActionId => 100395;
-    public override int MacroWaitTime => 3;
+    public int CP = 0;
 
-    public override int DurabilityCost => 0;
-    public override bool IncreasesStepCount => false;
+    public CarefulObservation()
+    {
+        Category = ActionCategory.Other;
+        Level = 55;
+        ActionId = 100395;
+        MacroWaitTime = 3;
+        DurabilityCost = 0;
+        IncreasesStepCount = false;
+    }
 
-    public override int CPCost(Simulator s) => 0;
+    public override void CPCost(Simulator s, ref int cost)
+    {
+        cost = CP;
+    }
 
     public override bool IsPossible(Simulator s) =>
         base.IsPossible(s) && s.Input.Stats.IsSpecialist && s.ActionStates.CarefulObservationCount < 3;
 
-    public override bool CouldUse(Simulator s) => s.ActionStates.CarefulObservationCount < 3;
+    public override bool CouldUse(Simulator s, ref int cost) => s.ActionStates.CarefulObservationCount < 3;
 
-    public override void UseSuccess(Simulator s) => s.StepCondition();
+    public override void UseSuccess(Simulator s, ref int eff) => s.StepCondition();
 
     public override string GetTooltip(Simulator s, bool addUsability) =>
         $"{base.GetTooltip(s, addUsability)}Specialist Only\n";